golang构建交互式shell终端
reader := bufio.NewReader(os.Stdin)
for {
fmt.Print("$ ")
cmdString, err := reader.ReadString('\n')
if err != nil {
fmt.Fprintln(os.Stderr, err)
}
cmdString = strings.TrimSuffix(cmdString, "\n")
cmd := exec.Command(cmdString)
cmd.Stderr = os.Stderr
cmd.Stdout = os.Stdout
err = cmd.Run()
if err != nil {
fmt.Fprintln(os.Stderr, err)
}
}